/// <summary>
/// Creates a sophisticated Gizmos drawer for the current state of the surface.
/// </summary>
/// <param name="settings">The navigation settings of the system.</param>
/// <returns>A sophisticated Gizmos drawer for the current state of the surface.</returns>
public ISurfaceDrawer CreateAdvancedDrawer(NavigationSettings settings)
{
var centers = new List <Vector3> [NavigationSettings.AreasCount];
var edges = new HashSet <Edge> [NavigationSettings.AreasCount];
for (int i = 0; i < NavigationSettings.AreasCount; i++)
{
centers[i] = new List <Vector3>();
edges[i] = new HashSet <Edge>();
}
foreach (var face in faces.Values)
{
int areaIndex = AreaMaskToIndex(face.AreaMask);
edges[areaIndex].Add(face.ab);
edges[areaIndex].Add(face.bc);
edges[areaIndex].Add(face.ca);
centers[areaIndex].Add(face.CalculateCenter());
}
var subDrawers = new List <GizmosSurfaceDrawer>();
for (int i = 0; i < NavigationSettings.AreasCount; i++)
{
if (centers[i].Count > 0)
{
var color = settings.GetAreaSettings(i).Color;
var subDrawer = new GizmosSurfaceDrawer(color,
edges[i].ToArray(), centers[i].ToArray());
subDrawers.Add(subDrawer);
}
}
return(new CompositeSurfaceDrawer(subDrawers.ToArray()));
}
